Security Bypass in IBM WebSphere Application Server by Remote Attackers
CVE-2026-10842

7.5HIGH

Key Information:

Vendor

IBM
Status
Websphere Application Server
Websphere Application Server - Liberty
Vendor
CVE Published:
30 July 2026

What is CVE-2026-10842?

IBM WebSphere Application Server versions 8.5, 9.0, and Liberty releases from 17.0.0.3 to 26.0.0.7 are susceptible to a security bypass vulnerability. This flaw may enable remote attackers to circumvent established security constraints, potentially exposing sensitive data and functionality. Organizations utilizing affected versions are advised to review their security measures and apply necessary patches to mitigate risks.

Affected Version(s)

WebSphere Application Server 8.5

WebSphere Application Server 9.0

WebSphere Application Server - Liberty 17.0.0.3 <= 26.0.0.7

References

https://www.ibm.com/support/pages/node/7280131
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.